American Horror Story -- "Home Invastion" -- 10/12/11 (FX)
Spoiler:
Vivien and Violet get caught in a dangerous situation strangely similar to one from the house’s past. Meanwhile, Ben returns to Boston to put an end to a dark chapter in his life. But first, he sees a patient who has nightmares about being cut in half. He also refuses to treat Tate anymore because of the teen’s feelings for Violet.
and here is a link to some ambiguous answers about the upcoming season.